Neuropsychology of Vision
Perception & Action Laboratory
Neurological impairments following stroke, brain injury and neurodegenerative diseases often disrupt the processes that allow us to perceive the world and interact within it. For example, some patients may exhibit deficits that selectively affect their ability to pay attention to, or grasp, objects presented on their left (hemispatial neglect), or recognize faces (prosopagnosia) or objects (agnosia).
While our visuomotor system has a remarkable capacity to adapt itself, its adaptation is limited, forcing many individuals to live out their lives with serious disabilities. Even those of us who age “naturally” are affected by a significant decline in the ability to acquire new motor skills, and a general decline in motor skill performance. It is therefore imperative that we develop a better understanding of how aging, stroke and other neurological impairments affect perception and action. Insights from this research will not only have important theoretical implications for our understanding of the primate visual system, it will also help in the development of sophisticated diagnostic tools and more theoretically-motivated approaches to rehabilitation.
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Representative Publications
Ladwig, J.C., do Prado, T.C., Tomy, S., Marotta, J.J., & Glazebrook, C.M. (2021). Rhythm and Reaching: The influence of rhythmic auditory cueing in a goal-directed reaching task with adults diagnosed with Cerebral Palsy. Adapted Physical Activity Quarterly, 39(1), 1-16. https://doi.org/10.1123/apaq.2021-0019.
Szturm, T., Kolesar, T.A., Mahana, B., Goertzen, A., Hobson, D.E., Marotta, J.J., Strafella, A.P. & Ko, J.H. (2021). Changes in metabolic activity and gait function by dual-task cognitive game-based treadmill system in Parkinson’s Disease: Protocol and preliminary data of a randomized controlled trial. Frontiers in Aging Neuroscience, 13:680270. https://doi.org/10.3389/fnagi.2021.680270.